2091290264 has 16 divisors (see below), whose sum is σ = 4481336400. Its totient is φ = 896267232.

The previous prime is 2091290263. The next prime is 2091290269. The reversal of 2091290264 is 4620921902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091290263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18672179 + ... + 18672290.

It is an arithmetic number, because the mean of its divisors is an integer number (280083525).

Almost surely, 2^2091290264 is an apocalyptic number.

It is an amenable number.

2091290264 is an abundant number, since it is smaller than the sum of its proper divisors (2390046136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2091290264 is a wasteful number, since it uses less digits than its factorization.

2091290264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37344482 (or 37344478 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2091290264 is about 45730.6271988478. The cubic root of 2091290264 is about 1278.8063139113.

The spelling of 2091290264 in words is "two billion, ninety-one million, two hundred ninety thousand, two hundred sixty-four".